This Dura-Lite Evolution® CAC is engineered for earlier model Western Star trucks. Built with a patented silicone grommet tube-to-header seal, it helps eliminate boost leaks and improves reliability on long hauls. Backed by Dura-Lite’s 7-year, 1-million-mile warranty for peace of mind.
? Vehicle Fitment:
Western Star 4900 (1998–2004)
Western Star 4900FA (1998–2004)
Western Star 4900EX (1998–2004)
Western Star 4900SA (1998–2004)
Western Star 4900SB (2003–2004)
Western Star 4900SF (1998–2004)
Western Star 4964FA (1998–2004)
Western Star 4964EX (1998–2004)
Western Star 4964SA (1998–2004)
Western Star 4964SX (1998–2004)
Western Star 5800SS (2003–2005)
Western Star 5964SS (2003–2005)
